CONTENTS PREFACE LIST OF PARTICIPANTS RESEARCH NEEDS FOR REGENERATIVE LIFE-SUPPORT SYSTEMS 1. Systems Engineering Overview for Regenerative Life-Support Systems Applicable to Space Habitats Jack Spurlock and Michael Modell 2. Research Planning Criteria for Regenerative Life-Support Systems Applicable to Space Habitats Jack Spurlock, William Cooper, Paul Deal, Annita Harlan, Marcus Karel, Michael Modell, Paul Moe, John Phillips, David Putnam, Philip Quattrone, C. David Raper, Jr., Elliot Swan, Frieda Taub, Judith Thomas, Christine Wilson, and Ben Zeitman HABITAT DESIGN 1. Effect of Environmental Parameters on Habitat Structural Weight and Cost Edward Bock, Fred Lambrou, Jr., and Michael Simon 2. Habitat and Logistic Support Requirements for the Initiation of a Space Manufacturing Enterprise J. Peter Vajk, Joseph H. Engel, and John A. Shettler DYNAMICS AND DESIGN OF ELECTROMAGNETIC MASS DRIVERS 1. Mass Drivers I: Electrical Design William H. Arnold, Stuart Bowen, Kevin Fine, David Kaplan, Margaret Kolm, Henry Kolm, Johathan Newman, Gerard K. O'Neill, and William R. Snow 2. Mass Drivers II: Structural Dynamics William H. Arnold, Stuart Bowen, Kevin Fine, David Kaplan, Margaret Kolm, Henry Kolm, Jonathan Newman, Gerard K. O'Neill, and William R. Snow 3. Mass Drivers III: Engineering William H. Arnold, Stuart Bowen, Steve Cohen, David Kaplan, Kevin Fine, Margaret Kolm, Henry Kolm, Jonathan Newman, Gerard K. O'Neill, and William R. Snow ASTEROIDS AS RESOURCES FOR SPACE MANUFACTURING 1. Round-Trip Missions to Low-Delta-V Asteroids and Implications for Material Retrieval David F. Bender, R. Scott Dunbar, and David J. Ross 2. Retrieval of Asteroidal Materials Brian O'Leary, Michael J. Gaffey, David J. Ross, and Robert Salkeld 3. An Assessment of Near-Earth Asteroid Resources Michael J. Gaffey, Eleanor F. Helin, and Brian O'Leary PROCESSING OF NONTERRESTRIAL MATERIALS 1. The Initial Lunar Supply Base David R. Criswell 2. Extraterrestrial Fiberglass Production Using Solar Energy Darwin Ho and Leon E. Sobon 3. Lunar Building Materials-Some Considerations on the Use of Inorganic Polymers Stuart M. Lee 4. A Geologic Assessment of Potential Lunar Ores David S. McKay and Richard J. Williams 5. Extraction Processes for the Production of Aluminum, Titanium, Iron, Magnesium, and Oxygen and Nonterrestrial Sources D. Bhogeswara Rao, U. V. Choudary, T. E. Erstfeld, R. J. Williams, and Y. A. Chang 6. Mining and Beneficiation of Lunar Ores Richard J. Williams, David S. McKay, David Giles, and Theodore E. Bunch